English

Definition of upset noun from the Oxford Advanced Learner's Dictionary

     

    upset

     noun
    noun
    BrE BrE//ˈʌpset//
     
    ; NAmE NAmE//ˈʌpset//
     
    Being ill
     
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  1. 1[uncountable] a situation in which there are problems or difficulties, especially when these are unexpected The company has survived the recent upset in share prices. His health has not been improved by all the upset at home.
  2. 2[countable] (in a competition) a situation in which a person or team beats the person or team that was expected to win We had our first major upset when Rogers was taken off with a leg injury. The war veteran came close to pulling a stunning political upset in Ohio this summer.
  3. 3[countable] an illness in the stomach that makes you feel sick or have diarrhoea a stomach upset See related entries: Being ill
  4. 4[uncountable, countable] feelings of unhappiness and disappointment caused by something unpleasant that has happened It had been the cause of much emotional upset.
See the Oxford Advanced American Dictionary entry: upset